dimensions in inches and (millimeters) - 586 - version: c08 1sma4737 - 1sma200z 1.25 watts surface mount silicon zener diode sma/do-214ac features for surface mounted applications in order to optimize board space low profile package built-in strain relief glass passivated junction low inductance typical i r less than 5.0ua above 7.5v high temperature soldering guaranteed: 260 o c / 10 seconds at terminals plastic package has underwriters laboratory flammability classification 94v-0 mechanical data case: molded plastic over passivated junction terminals: pure tin plated lead free, solderable per mil-std-750, method 2025 polarity:color band denotes positive end (cathode) standard packaging: 12mm tape (eia-481) weight: 0.002 ounces, 0.064 gram maximum ratings and electrical characteristics rating at 25 o c ambient temperature unless otherwise specified. type number symbol value units power dissipation, r thja <30 k/w, t amb =60 o c p d 3.0 watts power dissipation, r thja <100 k/w, t amb =25 o c p d 1.25 watts non repetitive peak surge power dissipation(note 1) p zsm 60 watts non repetitive peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method) i fsm 10.0 amps operating and storage temperature range t j , t stg -55 to + 150 o c notes: 1. non repetitive peak surge p d test conditions: tp=100us sq. pulse, tj=25 o c prior to surge.
- 587 - electrical characteristics (ta=25 o c unless otherwise noted) vf=1.2 v max, if=200ma for all types. nominal device zener voltage test surge current @ device marking v z @ i zt current t a = 25 o c (note 1) code voltage i zt z zt @ i zt ir - ma (notes 2 & 3) ma ohms ohms ma ua max volts (note 5) 1sma4737 737a 7.5 100 3 700 0.25 5.0 5.0 607 1sma4738 738a 8.2 100 3.5 700 0.25 5.0 6.0 555 1sma4739 739a 9.1 50 4 700 0.25 5.0 7.0 500 1sma4740 740a 10 50 4 700 0.25 5.0 7.5 455 1sma4741 741a 11 23 8 700 0.25 5.0 8.4 414 1sma4742 742a 12 21 9 700 0.25 5.0 9.1 380 1sma4743 743a 13 19 10 700 0.25 5.0 9.9 344 1sma4744 744a 15 17 14 700 0.25 5.0 11.4 304 1sma4745 745a 16 15.5 16 700 0.25 5.0 12.2 285 1sma4746 746a 18 14.0 20 750 0.25 5.0 13.7 250 1sma4747 747a 20 12.5 22 750 0.25 5.0 15.2 225 1sma4748 748a 22 11.5 23 750 0.25 5.0 16.7 205 1sma4749 749a 24 10.5 25 750 0.25 5.0 18.2 190 1sma4750 750a 27 9.5 35 750 0.25 5.0 20.6 170 1sma4751 751a 30 8.5 40 1000 0.25 5.0 22.8 150 1sma4752 752a 33 7.5 45 1000 0.25 5.0 25.1 135 1sma4753 753a 36 7.0 50 1000 0.25 5.0 27.4 125 1sma4754 754a 39 6.5 60 1000 0.25 5.0 29.7 115 1sma4755 755a 43 6.0 70 1500 0.25 5.0 32.7 110 1sma4756 756a 47 5.5 80 1500 0.25 5.0 35.8 95 1sma4757 757a 51 5.0 95 1500 0.25 5.0 38.8 90 1sma4758 758a 56 4.5 110 2000 0.25 5.0 42.6 80 1sma4759 759a 62 4.0 125 2000 0.25 5.0 47.1 70 1SMA4760 760a 68 3.7 150 2000 0.25 5.0 51.7 65 1sma4761 761a 75 3.3 175 2000 0.25 5.0 56.0 60 1sma4762 762a 82 3.0 200 3000 0.25 5.0 62.2 55 1sma4763 763a 91 2.8 250 3000 0.25 5.0 69.2 50 1sma4764 764a 100 2.5 350 3000 0.25 5.0 76.0 45 1sma110z 110a 110 2.3 450 4000 0.25 5.0 83.6 - 1sma120z 120a 120 2.0 550 4500 0.25 5.0 91.2 - 1sma130z 130a 130 1.9 700 5000 0.25 5.0 98.8 - 1sma150z 150a 150 1.7 1000 6000 0.25 5.0 114.0 - 1sma160z 160a 160 1.6 1100 6500 0.25 5.0 121.6 - 1sma180z 180a 180 1.4 1200 7000 0.25 5.0 136.8 - 1sma200z 200a 200 1.2 1500 8000 0.25 5.0 152.0 - notes: 1: tolerance and type number designation. the type numbers liste d have a standard to lerance on the nominal zener voltage of 5%. 2 . specials available include: a. nominal zener voltages between the voltages shown and tighter voltage tolerances. b. matched sets. 3. zener voltage (v z ) measurement. guarantees the zener voltage when messured at 90 seconds while maintaining the lead temperature (t l ) at 30 o c 1 o c, from the diode body. 4. zener impedance ( z z ) derivation. the zener impedance is derived from the 60 cycle ac vo ltage, which results when an ac cu rrent having and rms valu e equal to 10% of th e dc zener current ( i zt or i zk ) is superimposed on i zt or i zk . 5. surge current (ir) non-repetitive. the rating liste d in the electrical characteri stics table is maximum peak, n on-repetitive reverse surge current of 1/2 square wave or equivalent sine wave pulse of 1/120 second duration superimposed on the test current, i zt , per jedec registration; however, actual device capability is as de scribed in figure 10. maximum zener impedance (note 4) leakage current z zk @ izk i r @ vr version: c08
fig.1- power temperature derating curve fig.2- typical forward characteristics fig.3- effect of zener current on zener impedance fig.5- typical leakage current fig.4- effect of zener voltage on zener impedance p maximum power dissipation (watts) d , if, forward current (ma) ambient temperature( c) o v forward voltage (volts) f , i, z zener current (ma) i, z zener current (ma) v, z nominal zener voltage (volts) z , dynamic impedance (ohms) z ir, leakage current ( a) z , dynamic impedance (ohms) z 0 20 40 60 80 100 120 140 160 180 200 minimum maximum 70 c o 150 c o 25 c o 0c o 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1 2 5 10 20 50 100 200 500 1000 t = 25 c i (rms)= 0.1 i (dc) f = 1khz j zz o 47v 27v 0.8v 0.1 0.25 0.50 0.75 1.0 1.25 0.2 0.5 1 2 5 10 20 50 100 1 2 5 10 20 50 100 200 500 1000 1 t = 25 c i (rms)= 0.1 i (dc) f = 1khz j zz o i = 1.0ma z 5.0ma 20ma 2 3 5 7 10 20 30 50 70 100 1 2 5 7 10 20 50 70 100 200 500 700 1000 typical leakage current at 80% of nominal breakdown voltage +125 c o +25 c o 3456789101112131415 0.001 0.002 0.005 0.007 0.01 0.02 0.05 0.07 0.1 0.2 0.5 0.7 1 2 5 7 10 20 50 70 100 200 500 700 1000 2000 5000 7000 10000 0 ratings and characteristic curves (1sma4737 thru 1sma200z) version: c08
fig.6- typical capacitance versus vz fig.7- temperature coefficients fig.8- temperature coefficients fig.9- effect of zener current v , forward voltage (volts) z v , zener voltage (volts) z v , zener voltage (volts) z v , zener voltage (volts) z c, capacitance (pf) ov , temperayure coefficient (mv/ c) z o ov , temperayure coefficient (mv/ c) z o ov , temperayure coefficient (mv/ c) z o 0v bias 1.0v bias 50% of breakdown bias 1 10 100 4 8 10 100 200 300 400 b-range for units 11 to 100 volts v@i zzt range 10 20 30 50 70 100 1 2 3 5 7 10 20 30 50 70 100 a-range for units to 12 volts v@i zzt range 234 5 6 7 8 9 10 11 12 -2.0 -4.0 0 +2.0 +4.0 +6.0 +8.0 +10 +12 v@i tj=25 c zzt o 20ma 0.01ma 1.0ma note: below 3 volts and above a volts changes in zener current oo not affect temperature coefficients 345678 -4.0 -2.0 0 +2.0 +4.0 +6.0 version: c08 fig.10- maximum surge power ppk, peak surge power iwattso pw, pulse width (ms) rectangular waveform tj = 25 c prior to initial pulse o 11v-91v non-repetitive 0.8v -10v non-repetitive 5% duty cycle 10% duty cycle 20% duty cycle 1 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 100 200 500 1000 2 3 5 7 10 20 30 50 70 100 ratings and characteristic curves (1sma4737 thru 1sma200z)
|
